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	<head>
		<title>three.js webgl - multiple views</title>
		<meta charset="utf-8">
		<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
		<style>
			body {
				color: #000;
				font-family:Monospace;
				font-size:13px;
				text-align:center;

				background-color: #fff;
				margin: 0px;
				overflow: hidden;
			}

			#info {
				position: absolute;
				top: 0px; width: 100%;
				padding: 5px;
			}

			a {

				color: #0080ff;
			}

		</style>
	</head>
	<body>

		<div id="container"></div>
		<div id="info"><a href="http://github.com/mrdoob/three.js" target="_blank">three.js</a> - multiple views - webgl</div>

		<script src="../build/Three.js"></script>

		<script src="js/Detector.js"></script>
		<script src="js/Stats.js"></script>

		<script>

			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

			var container, stats;

			var views, scene, renderer;

			var mesh, group1, group2, group3, light;

			var mouseX = 0, mouseY = 0;

			var windowWidth, windowHeight;

			var views = [
				{ 
					left: 0,
					bottom: 0,
					width: 0.5,
					height: 1.0,
					background: { r: 0.5, g: 0.5, b: 0.7, a: 1 },
					eye: [ 0, 300, 1800 ],
					up: [ 0, 1, 0 ],
					fov: 30,
					updateCamera: function ( camera, scene, mouseX, mouseY ) {
					  camera.position.x += mouseX * 0.05;
					  camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
					  camera.lookAt( scene.position );
					}
				},
				{ 
					left: 0.5,
					bottom: 0,
					width: 0.5,
					height: 0.5,
					background: { r: 0.7, g: 0.5, b: 0.5, a: 1 },
					eye: [ 0, 1800, 0 ],
					up: [ 0, 0, 1 ],
					fov: 45,
					updateCamera: function ( camera, scene, mouseX, mouseY ) {
					  camera.position.x -= mouseX * 0.05;
					  camera.position.x = Math.max( Math.min( camera.position.x, 2000 ), -2000 );
					  camera.lookAt( camera.position.clone().setY( 0 ) );
					}
				},
				{ 
					left: 0.5,
					bottom: 0.5,
					width: 0.5,
					height: 0.5,
					background: { r: 0.5, g: 0.7, b: 0.7, a: 1 },
					eye: [ 1400, 800, 1400 ],
					up: [ 0, 1, 0 ],
					fov: 60,
					updateCamera: function ( camera, scene, mouseX, mouseY ) {
					  camera.position.y -= mouseX * 0.05;
					  camera.position.y = Math.max( Math.min( camera.position.y, 1600 ), -1600 );
					  camera.lookAt( scene.position );
					}
				}
			];

			init();
			animate();

			function init() {

				container = document.getElementById( 'container' );

				scene = new THREE.Scene();

				for (var ii =  0; ii < views.length; ++ii ) {

					var view = views[ii];
					camera = new THREE.PerspectiveCamera( view.fov, window.innerWidth / window.innerHeight, 1, 10000 );
					camera.position.x = view.eye[ 0 ];
					camera.position.y = view.eye[ 1 ];
					camera.position.z = view.eye[ 2 ];
					camera.up.x = view.up[ 0 ];
					camera.up.y = view.up[ 1 ];
					camera.up.z = view.up[ 2 ];
					scene.add( camera );
					view.camera = camera;
				}

				light = new THREE.DirectionalLight( 0xffffff );
				light.position.set( 0, 0, 1 );
				scene.add( light );

				var shadowMaterial = new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( 'textures/shadow.png' ) } );
				var shadowGeo = new THREE.PlaneGeometry( 300, 300, 1, 1 );

				mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
				mesh.position.y = - 250;
				mesh.rotation.x = - 90 * Math.PI / 180;
				scene.add( mesh );

				mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
				mesh.position.y = - 250;
				mesh.position.x = - 400;
				mesh.rotation.x = - 90 * Math.PI / 180;
				scene.add( mesh );

				mesh = new THREE.Mesh( shadowGeo, shadowMaterial );
				mesh.position.y = - 250;
				mesh.position.x = 400;
				mesh.rotation.x = - 90 * Math.PI / 180;
				scene.add( mesh );

				var faceIndices = [ 'a', 'b', 'c', 'd' ];

				var color, f, f2, f3, p, n, vertexIndex,

					radius = 200,

					geometry  = new THREE.IcosahedronGeometry( radius, 1 ),
					geometry2 = new THREE.IcosahedronGeometry( radius, 1 ),
					geometry3 = new THREE.IcosahedronGeometry( radius, 1 );

				for ( var i = 0; i < geometry.faces.length; i ++ ) {

					f  = geometry.faces[ i ];
					f2 = geometry2.faces[ i ];
					f3 = geometry3.faces[ i ];

					n = ( f instanceof THREE.Face3 ) ? 3 : 4;

					for( var j = 0; j < n; j++ ) {

						vertexIndex = f[ faceIndices[ j ] ];

						p = geometry.vertices[ vertexIndex ].position;

						color = new THREE.Color( 0xffffff );
						color.setHSV( ( p.y / radius + 1 ) / 2, 1.0, 1.0 );

						f.vertexColors[ j ] = color;

						color = new THREE.Color( 0xffffff );
						color.setHSV( 0.0, ( p.y / radius + 1 ) / 2, 1.0 );

						f2.vertexColors[ j ] = color;

						color = new THREE.Color( 0xffffff );
						color.setHSV( 0.125 * vertexIndex/geometry.vertices.length, 1.0, 1.0 );

						f3.vertexColors[ j ] = color;

					}

				}


				var materials = [

					new THREE.MeshLambertMaterial( { color: 0xffffff, shading: THREE.FlatShading, vertexColors: THREE.VertexColors } ),
					new THREE.MeshBasicMaterial( { color: 0x000000, shading: THREE.FlatShading, wireframe: true, transparent: true } )

				];

				group1 = THREE.SceneUtils.createMultiMaterialObject( geometry, materials );
				group1.position.x = -400;
				group1.rotation.x = -1.87;
				scene.add( group1 );

				group2 = THREE.SceneUtils.createMultiMaterialObject( geometry2, materials );
				group2.position.x = 400;
				group2.rotation.x = 0;
				scene.add( group2 );

				group3 = THREE.SceneUtils.createMultiMaterialObject( geometry3, materials );
				group3.position.x = 0;
				group3.rotation.x = 0;
				scene.add( group3 );

				renderer = new THREE.WebGLRenderer( { antialias: true } );
				renderer.setSize( window.innerWidth, window.innerHeight );

				container.appendChild( renderer.domElement );

				stats = new Stats();
				stats.domElement.style.position = 'absolute';
				stats.domElement.style.top = '0px';
				container.appendChild( stats.domElement );

				document.addEventListener( 'mousemove', onDocumentMouseMove, false );

			}

			function onDocumentMouseMove( event ) {

				mouseX = ( event.clientX - windowWidth / 2 );
				mouseY = ( event.clientY - windowHeight / 2 );

			}

			function updateSize() {

				if ( windowWidth != window.innerWidth || windowHeight != window.innerHeight ) {

					windowWidth  = window.innerWidth;
					windowHeight = window.innerHeight;

					renderer.setSize ( windowWidth, windowHeight );

				}

			}

			function animate() {

				render();
				stats.update();

				requestAnimationFrame( animate );
			}

			function render() {

				updateSize();

				for ( var ii = 0; ii < views.length; ++ii ) {

					view = views[ii];
					camera = view.camera;

					view.updateCamera( camera, scene, mouseX, mouseY );

					var left   = Math.floor( windowWidth  * view.left );
					var bottom = Math.floor( windowHeight * view.bottom );
					var width  = Math.floor( windowWidth  * view.width );
					var height = Math.floor( windowHeight * view.height );
					renderer.setViewport( left, bottom, width, height );
					renderer.setScissor( left, bottom, width, height );
					renderer.enableScissorTest ( true );
					renderer.setClearColor( view.background, view.background.a );

					camera.aspect = width / height;
					camera.updateProjectionMatrix();

					renderer.render( scene, camera );
				}

			}

		</script>

	</body>
</html>
